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Gestational trophoblastic disease

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  2. Symptoms

What are the symptoms of gestational trophoblastic disease?

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Gestational trophoblastic disease is not always easy to find. In its early stages, a hydatidiform mole may look like a normal pregnancy.

You should see a doctor if:

  • you have vaginal bleeding (not menstrual bleeding)
  • you are pregnant and the baby has not moved at the expected time
  • you have extremely severe morning sickness (this is caused by unusually high levels of the hormone human chorionic gonadotrophin – hCG).

Vaginal bleeding can also be a symptom of gestational trophoblastic neoplasia or placental-site trophoblastic tumour. These tumours can occur after a hydatidiform mole, after an abortion or after a normal pregnancy and delivery.

Having these symptoms does not mean you have gestational trophoblastic disease. However, you should be examined by your GP to investigate. If necessary, your GP will refer you for tests.

In many cases, a hydatidiform mole will be detected during routine antenatal care during the first trimester of pregnancy. It may also be detected after a miscarriage.

After a molar pregnancy, your hCG levels will be closely monitored to detect any cells that remain. If the hCG level increases or does not go down to normal, more tests will be done to see whether the tumour has spread.

If a woman is not pregnant and hCG is in the blood, it can be a sign of gestational trophoblastic disease.

Early detection

In many cases, a hydatidiform mole will be detected during routine antenatal care during the first trimester of pregnancy. It may also be detected after a miscarriage.

After a molar pregnancy, your hCG levels will be closely monitored to detect any cells that remain. If the hCG level increases or does not go down to normal, more tests will be done to see whether the tumour has spread.

If a woman is not pregnant and hCG is in the blood, it can be a sign of gestational trophoblastic disease.

  • Last Updated
  • Relevant Links
updated: 20 October 2020 - 3:32pm
American Cancer Society, Gestational trophoblastic disease
National Cancer Institute (US), Gestational trophoblastic disease treatment (PDQ®), patient version
Australian Cancer Trials

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